Apparatus for ablating and removing cataract lenses

Details Apparatus for ablating and removing cataract lenses Apparatus for ablating and removing cataract lenses

1986-12-18

1988-05-17

Cohen, Lee S.

Surgery

Truss

Pad

128397, 604 20, 604 35, 604 43, A61B 1736

Patent

active

047443600

ABSTRACT:
A method and apparatus for removing cataracts in which a flexible line preferably 1 mm or less in diameter is inserted through an incision into the anterior chamber until its end is adjacent the cataract. Coherent radiation, preferably at a frequency between 193 and 351 nm, is coupled to the cataract by an optical fiber in the line. An irrigation sleeve provided about the fiber and an aspiration sleeve extending partially around the irrigation sleeve conduct irrigating liquid to and remove ablated material from the anterior chamber and form with the optical fiber the flexible line.

REFERENCES:
patent: 3460538 (1969-08-01), Armstrong
patent: 3971382 (1976-07-01), Kransov
patent: 3982541 (1976-09-01), L'Esperance, Jr.
patent: 4024866 (1977-05-01), Wallach
patent: 4320761 (1982-03-01), Haddad
patent: 4538608 (1985-09-01), L'Esperance, Jr.
patent: 4580559 (1986-04-01), L'Esperance
patent: 4583539 (1986-04-01), Karlin et al.
"Heatless Laser Etching" by John Free; Popular Science 12/83.
Serial No. 702,569 filed 2-19-85 to Gruen et al.

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